Home / 28,700.26-39,610.02-16,125.01

Finding the Fourth Proportional to 28,700.26, 39,610.02 and 16,125.01

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Solution

The fourth proportional to 28,700.26, 39,610.02 and 16,125.01 is: 22,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.26 : 39,610.02 = 16,125.01 : x
  2. Step 2: Convert to fraction form
    28,700.26/39,610.02 = 16,125.01/x
  3. Step 3: Cross multiply
    28,700.26x = 39,610.02 × 16,125.01
  4. Step 4: Simplify right side
    28,700.26x = 638,711,968.60
  5. Step 5: Solve for x
    x = 638,711,968.60/28,700.26
  6. Step 6: Final answer
    x = 22,254.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.